package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;
@Slf4j
@RestControllerAdvice(annotations={RestController.class, Controller.class})
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){

        if(ex.getMessage().contains("Duplicate entry")){
            String[] split=ex.getMessage().split(" ");
            String msg = split[2]+"已经存在";
            return R.error(msg);
        }
        return R.error("未知错误!");
    }

    @ExceptionHandler(Exception.class)
    public R<String> handler(Exception e){
        e.printStackTrace();
        System.out.println(e.getMessage());
        return R.error("异常");
    }
    /**
     * 异常处理方法
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());

    }

}
